Airport Express Port Mapping

I have an Airport Extreme as my main router base station. I recently bought an Airport Express in an effort to connect a Slingbox Pro to it. My Slingbox works ok with my laptops connected to my network but it won't work when trying to setup internet viewing. According to the Slingbox tech, is due to Airport Express not having Port Mapping. Is this true? Any advice would be appreciated.

Hello DAVE72. Welcome to the Apple Discussions!
According to the Slingbox tech, is due to Airport Express not having Port Mapping. Is this true?
Not true! The AirPort Express Base Station (AX) supports port mapping. If you are using the AX to provide Internet access from your AirPort Extreme Base Station (AEBS) to the Slingbox, only the AEBS would need to be configured for port mapping.

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    Message was edited by: Psychos40

    Hello Psychos40. Welcome to the Apple Discussions!
    On my Windows 2000 machine, using the AirPort Admin Utility, when I configure the AirPort, I get a window that has a "port mapping" tab.
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